The VM8804 4-Port HDMI Output Board is offers an easy way to route any of 4 audio/video sources to any of 4 displays, in combination with an ATEN Modular Matrix Switch.
The VM8804 supports Seamless Switch technology that provides video switching in real-time, a built in scaler that handles different video resolutions, and EDID Expert technology for fast smooth switching between displays, giving you the perfect viewing experience. The VM8804 also supports HDMI audio can be extracted and stereo audio that can be embedded.